/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cn.icanci.design.structure.flyweightpattern;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
 * @author icanci
 * @date Created in 2021/07/17 10:40
 * @version 1.0
 */
public class IFlyweightFactory {
    private static final Map<String, IFlyweight> pool = new ConcurrentHashMap<>();

    private IFlyweightFactory() {
    }

    public static IFlyweight getFlyweight(String op) {
        if (!pool.containsKey(op)) {
            pool.put(op, new TargetFlyweight(op));
        }
        return pool.get(op);
    }
}
